1. Proc. Plansee Semin., 1965;Beaver,1965
2. Proc. Int. Conf. on Surface Modification of Metals by Ion Beams;Ahmed,1987
3. Electron Microscopy of Thin Crystals;Hirsch,1965
4. Proc. Int. Conf. on Surface Modification of Metals by Ion Beams;Saqib,1987
5. Introduction to Analytical Electron Microscopy;Goldstein,1979